Guitar Hero DS Sets New Sales Records
In the week following its June 22 release, Guitar Hero: On Tour sold over 300,000 units in North America. That feat, Activision claims, makes it the company's largest Nintendo DS software launch in North America "by more than a factor of eight."
The company further boasted that the strong debut ranks among its "top 5 best-selling launches of any title on any platform," though exact details were not provided.
From The Chatty
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It was probably because of the amazing marketing campaign
http://www.shacknews.com/onearticle.x/52885